625492394 has 32 divisors (see below), whose sum is σ = 995258880. Its totient is φ = 294408000.

The previous prime is 625492393. The next prime is 625492459. The reversal of 625492394 is 493294526.

It is not an unprimeable number, because it can be changed into a prime (625492393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368612 + ... + 370304.

It is an arithmetic number, because the mean of its divisors is an integer number (31101840).

Almost surely, 2^625492394 is an apocalyptic number.

625492394 is a deficient number, since it is larger than the sum of its proper divisors (369766486).

625492394 is a wasteful number, since it uses less digits than its factorization.

625492394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its digits is 466560, while the sum is 44.

The square root of 625492394 is about 25009.8459411489. The cubic root of 625492394 is about 855.2124429064.

The spelling of 625492394 in words is "six hundred twenty-five million, four hundred ninety-two thousand, three hundred ninety-four".